Looking at and judging someone on the shoes that they may be wearing. You can look in admiration or disgust. Simply the motion of looking at one's shoes.
Zak: I was talking to sam the other day and I had to crepcheck.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."